20 ON BREEDING OR RAISING VEGETABLES. 



of bees, or such like insects, or placed out of the 

 danger of being otherwise promiscuously impreg- 

 nated. It is by a close attention to these laws 

 of nature, that so many valuable varieties of 

 pulse, grain, fruit, roots, and esculent vegeta- 

 bles, have of late been raised and obtained. 

 It must also be observed, that by frequently 

 propagating from seeds, carefully selected from 

 those plants, which possess the most desirable 

 qualities, — even though there be no intended 

 crossing or mixing of farina to produce varie- 

 ty, — the most valuable habits of any species, 

 may be improved and increased ; and particu- 

 larly by their being naturalised, and enabled to 

 adapt themselves to flourish, in any peculiar soil 

 or climate. 



